> Sorry, please bear with my ignorance, I'm not very informed about NFS, > but what's wrong with locking against a real block device? NFS is a file sharing protocol that doesn't provide full locking semantics the way block devices do. > There are file systems like GFS that have been written for that, even if > they are pretty CPU and I/O intensive (I use it for multimedia sharing - > a lot a lot of images that needs to be shared across 4 nodes having > Apache to serve them). GFS is a *cluster* filesystem. We're talking about high availability here, not clustering. GFS could certainly be used in this case, but would be overkill. John -- John Madden Sr. UNIX Systems Engineer Ivy Tech Community College of Indiana jmadden@xxxxxxxxxxx ---- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
